gstreamer/testsuite/bytestream/gstbstest.c

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstbstest.c:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <stdlib.h>
#include <string.h>
#include <gst/gst.h>
#include <libs/bytestream/gstbytestream.h>
#define GST_TYPE_BSTEST (gst_bstest_get_type())
#define GST_BSTEST(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BSTEST,GstBsTest))
#define GST_BSTEST_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BSTEST,GstBsTestClass))
#define GST_IS_BSTEST(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BSTEST))
#define GST_IS_BSTEST_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BSTEST))
typedef struct _GstBsTest GstBsTest;
typedef struct _GstBsTestClass GstBsTestClass;
struct _GstBsTest
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
GstByteStream *bs;
gchar *accesspattern;
gchar **patterns;
guint sizemin;
guint sizemax;
gint count;
gboolean silent;
};
struct _GstBsTestClass
{
GstElementClass parent_class;
};
GType gst_bstest_get_type (void);
GstElementDetails gst_bstest_details = {
"ByteStreamTest",
"Filter",
"Test for the GstByteStream code",
VERSION,
"Erik Walthinsen <omega@temple-baptist.com>," "Wim Taymans <wim.taymans@chello.be>",
"(C) 2001",
};
/* BsTest signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
ARG_SIZEMIN,
ARG_SIZEMAX,
ARG_COUNT,
ARG_SILENT,
ARG_ACCESSPATTERN,
};
static void gst_bstest_class_init (GstBsTestClass * klass);
static void gst_bstest_init (GstBsTest * bstest);
static void gst_bstest_set_property (GObject * object, guint prop_id, const GValue * value,
GParamSpec * pspec);
static void gst_bstest_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec);
static GstElementStateReturn gst_bstest_change_state (GstElement *element);
static void gst_bstest_loop (GstElement * element);
static GstElementClass *parent_class = NULL;
// static guint gst_bstest_signals[LAST_SIGNAL] = { 0 };
GType
gst_bstest_get_type (void)
{
static GType bstest_type = 0;
if (!bstest_type) {
static const GTypeInfo bstest_info = {
sizeof (GstBsTestClass), NULL,
NULL,
(GClassInitFunc) gst_bstest_class_init,
NULL,
NULL,
sizeof (GstBsTest),
0,
(GInstanceInitFunc) gst_bstest_init,
};
bstest_type = g_type_register_static (GST_TYPE_ELEMENT, "BSTest", &bstest_info, 0);
}
return bstest_type;
}
static void
gst_bstest_class_init (GstBsTestClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass*)klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZEMIN,
g_param_spec_int ("sizemin", "sizemin", "sizemin", 0, G_MAXINT,
0, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SIZEMAX,
g_param_spec_int ("sizemax", "sizemax", "sizemax", 0, G_MAXINT,
384, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_ACCESSPATTERN,
g_param_spec_string ("accesspattern", "accesspattern", "accesspattern",
"r", G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_COUNT,
g_param_spec_uint ("count", "count", "count",
0, G_MAXUINT, 0, G_PARAM_READWRITE));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SILENT,
g_param_spec_boolean ("silent", "silent", "silent",
FALSE, G_PARAM_READWRITE));
gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_bstest_set_property);
gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_bstest_get_property);
gstelement_class->change_state = gst_bstest_change_state;
}
static GstPadNegotiateReturn
gst_bstest_negotiate_src (GstPad * pad, GstCaps ** caps, gpointer * data)
{
GstBsTest *bstest;
bstest = GST_BSTEST (gst_pad_get_parent (pad));
return gst_pad_negotiate_proxy (pad, bstest->sinkpad, caps);
}
static GstPadNegotiateReturn
gst_bstest_negotiate_sink (GstPad * pad, GstCaps ** caps, gpointer * data)
{
GstBsTest *bstest;
bstest = GST_BSTEST (gst_pad_get_parent (pad));
return gst_pad_negotiate_proxy (pad, bstest->srcpad, caps);
}
static void
gst_bstest_init (GstBsTest * bstest)
{
bstest->sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
gst_element_add_pad (GST_ELEMENT (bstest), bstest->sinkpad);
gst_pad_set_negotiate_function (bstest->sinkpad, gst_bstest_negotiate_sink);
bstest->srcpad = gst_pad_new ("src", GST_PAD_SRC);
gst_element_add_pad (GST_ELEMENT (bstest), bstest->srcpad);
gst_pad_set_negotiate_function (bstest->srcpad, gst_bstest_negotiate_src);
gst_element_set_loop_function (GST_ELEMENT (bstest), gst_bstest_loop);
bstest->sizemin = 0;
bstest->sizemax = 384;
bstest->accesspattern = g_strdup ("r");
bstest->patterns = g_strsplit (bstest->accesspattern, ":", 0);
bstest->count = 5;
bstest->silent = FALSE;
bstest->bs = NULL;
}
static guint
gst_bstest_get_size (GstBsTest *bstest, gchar *sizestring, guint prevsize)
{
guint size;
if (sizestring[0] == 0) {
size = bstest->sizemax;
}
else if (sizestring[0] == 'r') {
size = bstest->sizemin + (guint8)(((gfloat)bstest->sizemax)*rand()/(RAND_MAX + (gfloat)bstest->sizemin));
}
else if (sizestring[0] == '<') {
size = prevsize;
}
else {
size = atoi (sizestring);
}
if (size == 0) size++;
return size;
}
static void
gst_bstest_loop (GstElement * element)
{
GstBsTest *bstest;
GstBuffer *buf = NULL;
g_return_if_fail (element != NULL);
g_return_if_fail (GST_IS_BSTEST (element));
bstest = GST_BSTEST (element);
/* THIS IS THE BUFFER BASED ONE */
do {
guint size = 0;
guint i = 0;
while (bstest->patterns[i]) {
buf = NULL;
if (bstest->patterns[i][0] == 'r') {
size = gst_bstest_get_size (bstest, &bstest->patterns[i][1], size);
if (!bstest->silent) g_print ("bstest: ***** read %d bytes\n", size);
buf = gst_bytestream_read (bstest->bs, size);
}
else if (bstest->patterns[i][0] == 'f') {
size = gst_bstest_get_size (bstest, &bstest->patterns[i][1], size);
if (!bstest->silent) g_print ("bstest: ***** flush %d bytes\n", size);
gst_bytestream_flush (bstest->bs, size);
}
else if (!strncmp (bstest->patterns[i], "pb", 2)) {
size = gst_bstest_get_size (bstest, &bstest->patterns[i][2], size);
if (!bstest->silent) g_print ("bstest: ***** peek bytes %d bytes\n", size);
gst_bytestream_peek_bytes (bstest->bs, size);
}
else if (bstest->patterns[i][0] == 'p') {
size = gst_bstest_get_size (bstest, &bstest->patterns[i][1], size);
if (!bstest->silent) g_print ("bstest: ***** peek %d bytes\n", size);
buf = gst_bytestream_peek (bstest->bs, size);
gst_buffer_unref (buf);
buf = NULL;
}
if (buf)
gst_pad_push (bstest->srcpad, buf);
i++;
}
} while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element));
}
static void
gst_bstest_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstBsTest *bstest;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_BSTEST (object));
bstest = GST_BSTEST (object);
switch (prop_id) {
case ARG_SIZEMIN:
bstest->sizemin = g_value_get_int (value);
break;
case ARG_SIZEMAX:
bstest->sizemax = g_value_get_int (value);
break;
case ARG_ACCESSPATTERN:
if (bstest->accesspattern) {
g_free (bstest->accesspattern);
g_strfreev (bstest->patterns);
}
if (g_value_get_string (value) == NULL) {
gst_element_set_state (GST_ELEMENT (object), GST_STATE_NULL);
bstest->accesspattern = NULL;
/* otherwise set the new filename */
} else {
bstest->accesspattern = g_strdup (g_value_get_string (value));
bstest->patterns = g_strsplit (bstest->accesspattern, ":", 0);
}
break;
case ARG_COUNT:
bstest->count = g_value_get_uint (value);
break;
case ARG_SILENT:
bstest->silent = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_bstest_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec)
{
GstBsTest *bstest;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_BSTEST (object));
bstest = GST_BSTEST (object);
switch (prop_id) {
case ARG_SIZEMIN:
g_value_set_int (value, bstest->sizemin);
break;
case ARG_SIZEMAX:
g_value_set_int (value, bstest->sizemax);
break;
case ARG_ACCESSPATTERN:
g_value_set_string (value, bstest->accesspattern);
break;
case ARG_COUNT:
g_value_set_uint (value, bstest->count);
break;
case ARG_SILENT:
g_value_set_boolean (value, bstest->silent);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GstElementStateReturn
gst_bstest_change_state (GstElement *element)
{
GstBsTest *bstest;
g_return_val_if_fail (GST_IS_BSTEST (element), GST_STATE_FAILURE);
bstest = GST_BSTEST (element);
if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
if (bstest->bs) {
gst_bytestream_destroy (bstest->bs);
bstest->bs = NULL;
}
}
else {
if (!bstest->bs) {
bstest->bs = gst_bytestream_new (bstest->sinkpad);
}
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}
static gboolean
plugin_init (GModule * module, GstPlugin * plugin)
{
GstElementFactory *factory;
// we need gstbytestream
if (!gst_library_load ("gstbytestream")) {
g_print ("can't load bytestream\n");
return FALSE;
}
/* We need to create an ElementFactory for each element we provide.
* This consists of the name of the element, the GType identifier,
* and a pointer to the details structure at the top of the file.
*/
factory = gst_elementfactory_new ("bstest", GST_TYPE_BSTEST, &gst_bstest_details);
g_return_val_if_fail (factory != NULL, FALSE);
/* The very last thing is to register the elementfactory with the plugin. */
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
return TRUE;
}
GST_PLUGIN_DESC (GST_VERSION_MAJOR, GST_VERSION_MINOR, "bstest", plugin_init);